One of the more resourceful homeless fellows who frequents my block has come up with quite the ingenious money making system. When a car arrives to park at a meter he offers another plan... give him what change you have and he will trick the meter into thinking you paid. He will even hang out for more than an hour (he always hangs out anyway) and keep "feeding" the meter. The trick is he doesn't put money into the slot, but instead uses a bent paperclip to trick the meter and give you time. Pure genius I tell you.